Low Carb Pizza Casserole

Why You’ll Love This Recipe

Low Carb Pizza Casserole is the perfect solution for pizza lovers who want to enjoy their favorite flavors without the carbs. This cheesy, savory dish layers all your favorite pizza toppings—like pepperoni, sausage, and mozzarella—on a base of cauliflower or meat instead of dough. It’s hearty, customizable, and a great meal prep option for low-carb and keto lifestyles.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

ground beef or Italian sausagesugar-free marinara saucecauliflower florets (or riced cauliflower)shredded mozzarella cheesepepperonisliced black oliveschopped green bell pepperschopped onionsgarlic powderItalian seasoningolive oilsalt and pepper to taste

directions

Preheat your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.

In a skillet, heat olive oil over medium heat and sauté onions and bell peppers until softened.

Add ground beef or sausage and cook until browned, breaking it apart as it cooks. Drain excess fat.

Stir in garlic powder, Italian seasoning, salt, pepper, and sugar-free marinara sauce. Simmer for a few minutes.

Steam or microwave cauliflower until tender, then spread evenly at the bottom of the prepared baking dish.

Layer the meat mixture over the cauliflower base.

Top with shredded mozzarella, pepperoni slices, olives, and any other desired toppings.

Bake uncovered for 20-25 minutes, or until cheese is melted and bubbly.

Allow to cool slightly before serving.

Servings and timing

This recipe yields approximately 6 servings.Preparation time: 15 minutesCooking time: 25 minutesTotal time: 40 minutes

Variations

Use ground turkey or chicken instead of beef for a leaner version.

Add mushrooms, jalapeños, or spinach for more veggies and flavor.

Swap cauliflower with zucchini slices or broccoli rice for a different texture.

Use a blend of cheeses like provolone or parmesan for a richer taste.

Make it spicy with red pepper flakes or hot Italian sausage.

storage/reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days.Reheat individual portions in the microwave for 1-2 minutes or in the oven at 350°F (175°C) until warmed through.This casserole also freezes well for up to 2 months. Thaw in the fridge before reheating.

Low Carb Pizza Casserole

FAQs

Is this casserole keto-friendly?

Yes, as long as you use sugar-free marinara and low-carb vegetables, it’s perfect for keto.

Can I make this casserole vegetarian?

Absolutely! Skip the meat and load up on veggies like mushrooms, spinach, and zucchini.

What can I use instead of cauliflower?

Zucchini, broccoli rice, or even shredded cabbage are great alternatives.

Can I make this ahead of time?

Yes, assemble it in advance and bake when ready to eat, or refrigerate the leftovers for later.

How do I keep it from getting watery?

Be sure to drain cooked meat and steam or roast the cauliflower before using it in the casserole.

Can I add eggs to the mix?

Yes, beaten eggs can be added to the cauliflower layer for extra structure.

Can I use store-bought marinara?

Yes, just make sure it’s sugar-free and low in carbs.

What kind of cheese works best?

Mozzarella is ideal, but feel free to use a mix with cheddar, provolone, or parmesan.

How can I make it dairy-free?

Use dairy-free shredded cheese alternatives available at most grocery stores.

Is this kid-friendly?

Yes! Kids love the cheesy, pizza-like flavor, especially when they can pick their own toppings.

Conclusion

Low Carb Pizza Casserole brings all the flavor of pizza without the carbs, making it a weeknight favorite for those on low-carb or keto diets. Easy to prepare, endlessly customizable, and full of comforting, cheesy goodness—this dish is sure to satisfy cravings and keep you on track.

Print

Low Carb Pizza Casserole

Low Carb Pizza Casserole

A hearty, low‑carb casserole layering classic pizza flavors—sausage or pepperoni, cheese, and aromatic spices—baked until bubbly, perfect for a satisfying gluten‑free dinner.

  • Author: Mollyyeh
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 68 servings 1x
  • Category: Main Dish
  • Method: Baking, Sautéing
  • Cuisine: Italian‑inspired

Ingredients

Units Scale
  • 1 lb Italian sausage (or ground beef or turkey)
  • 1 cup low‑carb marinara sauce (no‑sugar‑added)
  • 2 cups shredded mozzarella cheese, divided
  • 1/2 cup grated Parmesan cheese
  • 1 teaspoon dried oregano
  • 1/2 teaspoon garlic powder
  • 1/2 cup sliced pepperoni (optional)
  • 2 eggs, beaten
  • 1/4 cup almond flour (helps bind)
  • Salt and freshly ground black pepper, to taste
  • Fresh basil or parsley, chopped (for garnish)

Instructions

  1. Preheat oven to 375 °F (190 °C). Lightly grease a 9×13‑inch baking dish.
  2. In a skillet over medium heat, cook sausage until browned and fully cooked; drain excess fat.
  3. Lower heat; stir in marinara sauce, oregano, garlic powder, salt, and pepper. Remove from heat.
  4. In a large bowl, whisk together eggs and almond flour until smooth.
  5. Mix half of the mozzarella (1 cup) and all Parmesan into the egg‑flour mixture.
  6. Fold the sausage‑sauce mixture into the cheese‑egg mixture until evenly incorporated.
  7. Spread mixture evenly in prepared baking dish. Sprinkle pepperoni slices on top, if using.
  8. Top with remaining 1 cup mozzarella cheese.
  9. Bake 20–25 minutes until casserole is set and cheese is bubbly and lightly golden.
  10. Let rest 5 minutes. Garnish with fresh basil or parsley. Cut into squares and serve warm.

Notes

  • To make dairy‑free, substitute mozzarella and Parmesan with plant‑based cheeses.
  • Add sliced bell peppers or mushrooms for extra veggies.
  • For more heat, stir in crushed red pepper flakes or use spicy sausage.
  • Make‑ahead: assemble in dish, cover, refrigerate up to 24 hrs, then bake before serving.
  • Leftovers store in fridge up to 4 days or freeze individual portions for easy meals.

Nutrition

  • Serving Size: 1 slice (approx. 1/8 casserole)
  • Calories: 320 kcal
  • Sugar: 4 g
  • Sodium: 620 mg
  • Fat: 23 g
  • Saturated Fat: 10 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 0 g
  • Carbohydrates: 8 g
  • Fiber: 2 g
  • Protein: 24 g
  • Cholesterol: 120 mg

Did you like this recipe?